Coding⏱️ 2 min read📅 2026-05-31

How to Fix: Flask raises TemplateNotFound error even though template file exists

Flask template not found error due to incorrect directory path.

Quick Answer: Ensure the correct directory path is used in the render_template function, and that the template file exists in the specified location.

Flask raises TemplateNotFound error even though the template file exists, due to incorrect directory structure or missing configuration. To resolve this issue, follow these proven troubleshooting steps:

🔧 Proven Troubleshooting Steps

Method 1: Relative Template Directory

  1. Step 1: Ensure the template file is located in a relative directory within your Flask application.

Method 2: Absolute Template Path

  1. Step 1: Specify the absolute path to the template file using the `template_folder` parameter when creating the Flask application.

✨ Wrapping Up

By applying these steps, you should be able to resolve the TemplateNotFound error and successfully render your template files in Flask.

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